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Table 4 Accuracy of Individual FCI Comorbidities by Data Collection Method Compared to Complete Chart Review (n = 59)

From: The functional comorbidity index had high inter-rater reliability in patients with acute lung injury

FCI Comorbidity

Prospective:

Retrospective:

 

Admission Records

Discharge Summaries

 

Sn

Sp

PPV

NPV

Sn

Sp

PPV

NPV

Arthritis (rheumatoid and osteoarthritis)

14%

88%

25%

78%

14%

8%

4%

25%

Osteoporosis

n/a

n/a

n/a

n/a

0%

23%

0%

75%

Asthma

22%

52%

13%

68%

67%

24%

21%

70%

COPD, emphysema, or ARDS

0%

67%

0%

84%

63%

22%

9%

82%

Angina

0%

50%

0%

50%

0%

50%

0%

50%

Congestive heart failure (or heart disease)

50%

19%

4%

86%

67%

26%

9%

88%

Myocardial infarction

50%

21%

4%

86%

50%

59%

8%

94%

Neurological disease (e.g., MS or Parkinson’s)

0%

89%

0%

91%

100%

23%

11%

100%

Stroke or TIA

100%

17%

15%

100%

80%

40%

16%

93%

Peripheral vascular disease

25%

63%

8%

87%

75%

31%

12%

91%

Diabetes type I or II

50%

27%

7%

83%

50%

40%

9%

88%

Upper GI disease (e.g., ulcer, hernia, reflux)

8%

75%

8%

75%

80%

39%

26%

88%

Depression

17%

53%

8%

74%

56%

33%

16%

76%

Anxiety or panic disorders

0%

74%

0%

77%

67%

30%

17%

80%

Visual impairment (e.g., cataracts, glaucoma)

n/a*

n/a

n/a

n/a

0%

36%

0%

83%

Hearing impairment (e.g., hard of hearing with aids)

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

Degenerative disc disease (e.g., spinal stenosis)

0%

60%

0%

71%

60%

45%

21%

82%

  1. Abbreviations: ARDS, acute respiratory distress syndrome; BMI, body mass index; COPD, chronic obstructive pulmonary disease; GI, gastrointestinal; MS, multiple sclerosis; NPV, negative predictive value; PPV, positive predictive value; Sn, sensitivity; Sp, specificity; TIA, transient ischemic attack.
  2. * n/a if there were no instances of this comorbidity to calculate Sn, Sp, PPV, or NPV.